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Issue metadata

Status: Verified
Owner:
Closed: Dec 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 2
Type: Bug



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Integer-overflow in CJBig2_HuffmanTable::ParseFromCodedBuffer

Project Member Reported by ClusterFuzz, Nov 29 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=5476872149532672

Fuzzer: libFuzzer_pdf_codec_jbig2_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  CJBig2_HuffmanTable::ParseFromCodedBuffer
  CJBig2_HuffmanTable::CJBig2_HuffmanTable
  pdfium::internal::MakeUniqueResult<CJBig2_HuffmanTable>::Scalar pdfium::MakeUniq
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=460714:460934

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5476872149532672

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Nov 29 2017

Components: Internals>Plugins>PDF
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Nov 29 2017

Labels: Test-Predator-Auto-Owner
Owner: dsinclair@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://pdfium.googlesource.com/pdfium/+/0bb1333a9eff1190ddd68f34c71d6a779c69dfef (Add some calls to MakeUnique).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Owner: npm@chromium.org
npm@ you looked at this previously, yea?
Project Member

Comment 4 by ClusterFuzz, Dec 1 2017

ClusterFuzz has detected this issue as fixed in range 520665:520708.

Detailed report: https://clusterfuzz.com/testcase?key=5476872149532672

Fuzzer: libFuzzer_pdf_codec_jbig2_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Integer-overflow
Crash Address: 
Crash State:
  CJBig2_HuffmanTable::ParseFromCodedBuffer
  CJBig2_HuffmanTable::CJBig2_HuffmanTable
  pdfium::internal::MakeUniqueResult<CJBig2_HuffmanTable>::Scalar pdfium::MakeUniq
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=460714:460934
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=520665:520708

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=5476872149532672

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.
Project Member

Comment 5 by ClusterFuzz, Dec 1 2017

Labels: ClusterFuzz-Verified
Status: Verified (was: Assigned)
ClusterFuzz testcase 5476872149532672 is verified as fixed, so closing issue as verified.

If this is incorrect, please add ClusterFuzz-Wrong label and re-open the issue.

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